Respuesta:
c) 3(m + 1) + 2 = m + 11
3(m) + 3(1) + 2 = m + 11
3m + 3 + 2 = m + 11
3m + 5 = m + 11
3m - m = -5 +11
2m = 6
m = 6/2
m = 3
d) 2(t + 3) + 5 = 2(2t + 3)
2(t) + 2(3) + 5 = 2(2t) + 2(3)
2t + 6 + 5 = 4t + 6
2t + 11 = 4t + 6
2t - 4t = -11 +6
-2t = -5
t = -5/-2
t = 5/2
t = 2.5
Explicación paso a paso:
→Espero te sirva